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Download TEST Peripheral Blood Smear SYNONYM/S Peripheral Smear, PBS
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Transcript
TEST Peripheral Blood Smear SYNONYM/S Peripheral Smear, PBS LAB SECTION Hematology AVAILABILITY Daily (24 hours) TURN AROUND TIME (TAT) (upon receipt of the laboratory) Within 24 to 48 hrs PATIENT PREPARATION None SPECIMEN Whole Blood VOLUME OF SPECIMEN 5 ml CONTAINER Lavender top (EDTA) tube CAUSES OF REJECTION Specimens not accompanied by test request and not properly labeled and with deficient clinical information. Clotted specimen, hemolyzed blood, diluted blood, less than minimum volume, received >24hrs after collection COLLECTION AND TRANSPORT Collect blood by venipuncture. If through available lines, discard first 5 ml. Use correct tube. Label & indicate date / time of collection. Maintain transport temperature at 18 28 °C. Transport to the laboratory as soon as possible. SPECIMEN STABILITY AND STORAGE Ambient temperature: 24 hours Refrigerated / frozen: unacceptable REFERENCE Normocytic, normochromic RBCs; mature white blood cell population; adequate platelets LIMITATIONS When whole blood is collected by fingerprick and smeared, distribution of platelets are affected by clumping. Differential count may be slightly variable compared to venipuncture specimen. METHODOLOGY Manual processing and review by microscopy.
